Four oxidants,including ironic chloride,ironic sulfate,cupric chloride and cupric sulfate,were compared to be used to oxidize acetoin to prepare butanedione.

• 比较了氯化铁、硫酸铁、氯化铜和硫酸铜4种氧化剂氧化乙偶姻制备丁二酮的效果,其氧化效果的顺序依次是:氯化铁>氯化铜>硫酸铁硫酸铜。